<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM – Open Source CRM application.
 * Copyright (C) 2014-2025 EspoCRM, Inc.
 * Website: https://www.espocrm.com
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

namespace Espo\Classes\RecordHooks\EmailAccount;

use Espo\Core\Acl;
use Espo\Core\Exceptions\Error\Body;
use Espo\Core\Exceptions\Forbidden;
use Espo\Core\Record\Hook\SaveHook;
use Espo\Entities\EmailAccount;
use Espo\Entities\EmailFolder;
use Espo\ORM\Entity;
use Espo\ORM\EntityManager;
use RuntimeException;
use stdClass;

/**
 * @implements SaveHook<EmailAccount>
 */
class BeforeSave implements SaveHook
{
    public function __construct(
        private EntityManager $entityManager,
        private Acl $acl,
    ) {}

    public function process(Entity $entity): void
    {
        $this->checkFolderMap($entity);
    }

    /**
     * @throws Forbidden
     */
    private function checkFolderMap(EmailAccount $entity): void
    {
        if (!$entity->isAttributeChanged('folderMap')) {
            return;
        }

        $map = $entity->get('folderMap');

        if ($map === null) {
            return;
        }

        if (!$map instanceof stdClass) {
            throw new RuntimeException("Bad folderMap.");
        }

        foreach (get_object_vars($map) as $folderId) {
            if ($folderId === null) {
                continue;
            }

            if (!is_string($folderId)) {
                throw new RuntimeException("Bad folderMap item.");
            }

            $folderEntry = $this->entityManager->getRepositoryByClass(EmailFolder::class)->getById($folderId);

            if (!$folderEntry) {
                throw Forbidden::createWithBody('noFolder',
                    Body::create()->withMessageTranslation('noFolder', EmailAccount::ENTITY_TYPE)
                );
            }

            if (!$this->acl->checkEntityRead($folderEntry)) {
                throw new Forbidden("No access to mapped folder $folderId.");
            }
        }
    }
}
